145473548 has 12 divisors (see below), whose sum is σ = 277722312. Its totient is φ = 66124320.

The previous prime is 145473511. The next prime is 145473553. The reversal of 145473548 is 845374541.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1653065 + ... + 1653152.

It is an arithmetic number, because the mean of its divisors is an integer number (23143526).

Almost surely, 2^145473548 is an apocalyptic number.

It is an amenable number.

145473548 is a deficient number, since it is larger than the sum of its proper divisors (132248764).

145473548 is a wasteful number, since it uses less digits than its factorization.

145473548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306232 (or 3306230 counting only the distinct ones).

The product of its digits is 268800, while the sum is 41.

The square root of 145473548 is about 12061.2415612987. The cubic root of 145473548 is about 525.9300798115.

The spelling of 145473548 in words is "one hundred forty-five million, four hundred seventy-three thousand, five hundred forty-eight".